28491920

28,491,920 is an even composite number composed of four prime numbers multiplied together.

What does the number 28491920 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 40 divisors.

28491920 is an even composite number. It is composed of four distinct prime numbers multiplied together. It has a total of forty divisors.

Prime factorization of 28491920:

2⁴ × 5 × 29 × 12281

(2 × 2 × 2 × 2 × 5 × 29 × 12281)

See below for interesting mathematical facts about the number 28491920 from the Numbermatics database.

Names of 28491920

Cardinal: 28491920 can be written as Twenty-eight million, four hundred ninety-one thousand, nine hundred twenty.

Scientific notation

Scientific notation: 2.849192 × 10⁷

Factors of 28491920

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 7
Sum of prime factors: 12317

Divisors of 28491920

Number of divisors d(n): 40
Complete list of divisors:
1 2 4 5 8 10 16 20 29 40 58 80 116 145 232 290 464 580 1160 2320 12281 24562 49124 61405 98248 122810 196496 245620 356149 491240 712298 982480 1424596 1780745 2849192 3561490 5698384 7122980 14245960 28491920
Sum of all divisors σ(n): 68533560
Sum of proper divisors (its aliquot sum) s(n): 40041640
28491920 is an abundant number, because the sum of its proper divisors (40041640) is greater than itself. Its abundance is 11549720

Bases of 28491920

Binary: 1101100101100000010010000₂
Hexadecimal: 0x1B2C090
Base-36: GYOI8

Squares and roots of 28491920

28491920 squared (28491920²) is 811789505286400
28491920 cubed (28491920³) is 23129441641459685888000
The square root of 28491920 is 5337.7823110351
The cube root of 28491920 is 305.4268680257

Scales and comparisons

How big is 28491920?

28,491,920 seconds is equal to 47 weeks, 18 hours, 25 minutes, 20 seconds.
To count from 1 to 28,491,920 would take you about eighteen weeks!

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 28491920 cubic inches would be around 25.5 feet tall.

Recreational maths with 28491920

28491920 backwards is 02919482
The number of decimal digits it has is: 8
The sum of 28491920's digits is 35
More coming soon!

Copy this link to share with anyone:

Share this page on social media:

Link to this page

HTML: To link to this page, just copy and paste the link below into your blog, web page or email.

<a href="https://numbermatics.com/n/28491920/?utm_source=shared">Number 28491920 - Facts about the integer</a>

BBCODE: To link to this page in a forum post or comment box, just copy and paste the link code below:

[url=https://numbermatics.com/n/28491920/?utm_source=shared]Number 28491920 - Facts about the integer[/url]

Cite this page

MLA style:
"Number 28491920 - Facts about the integer". Numbermatics.com. 2024. Web. 12 June 2024.

APA style:
Numbermatics. (2024). Number 28491920 - Facts about the integer. Retrieved 12 June 2024, from https://numbermatics.com/n/28491920/

Chicago style:
Numbermatics. 2024. "Number 28491920 - Facts about the integer". https://numbermatics.com/n/28491920/

The information we have on file for 28491920 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

Keywords: Divisors of 28491920, math, Factors of 28491920, curriculum, school, college, exams, university, Prime factorization of 28491920, STEM, science, technology, engineering, physics, economics, calculator, twenty-eight million, four hundred ninety-one thousand, nine hundred twenty.